Examples with TaskTAttemptEvent org.apache.hadoop.mapreduce.v2.app.job.event.TaskTAttemptEvent used on opensource projects

Example 16 with TaskTAttemptEvent

use of org.apache.hadoop.mapreduce.v2.app.job.event.TaskTAttemptEvent in project hadoop by apache.

the class TestTaskImpl method testSpeculativeMapMultipleSucceedFetchFailure.

@Test
public void testSpeculativeMapMultipleSucceedFetchFailure() {
    // Setup a scenario where speculative task wins, first attempt succeeds
    mockTask = createMockTask(TaskType.MAP);
    runSpeculativeTaskAttemptSucceeds(TaskEventType.T_ATTEMPT_SUCCEEDED);
    assertEquals(2, taskAttempts.size());
    // speculative attempt retroactively fails from fetch failures
    mockTask.handle(new TaskTAttemptEvent(taskAttempts.get(1).getAttemptId(), TaskEventType.T_ATTEMPT_FAILED));
    assertTaskScheduledState();
    assertEquals(3, taskAttempts.size());
}